
    <WingBlank>
      <WhiteSpace></WhiteSpace>
      <div Button (onClick)="showAlert()">customized buttons</div>
      <WhiteSpace></WhiteSpace>
      <div Button (onClick)="showAlertMuchButtons(message)">More than two buttons</div>
      <WhiteSpace></WhiteSpace>

      <ng-template #message>
        <div>More than two buttons</div>
      </ng-template>

      <div Button (onClick)="showPromise()">promise</div>
      <WhiteSpace></WhiteSpace>
    </WingBlank>
  